The answer to 'why is my cricket swarms' is that you likely have a large population of crickets infesting your home. Crickets are attracted to warm, dark, and moist environments and can quickly multiply if left unchecked. Common signs of a cricket infestation include hearing their loud chirping at night, seeing them scurrying around, and finding their droppings or shed exoskeletons.
There are a few common reasons why cricket populations can explode in homes, including an abundance of food sources, lack of natural predators, and favorable environmental conditions. Crickets feed on a variety of organic materials like pet food, paper, fabrics, and even other insects. They thrive in areas with high humidity and minimal disturbance.